fatalrat | 211e56cfebf1079ff07d76a303bce1835b6fbc17d84ae5f7c81bce6bfba3ec4f

General

Target

211e56cfebf1079ff07d76a303bce1835b6fbc17d84ae5f7c81bce6bfba3ec4f.exe
Size

3.8MB
MD5

223a3193b04f2b5564495839f5bfb834
SHA1

b4fe59e6ec8bdf5dbf0d4a34e42cbed269f82082
SHA256

211e56cfebf1079ff07d76a303bce1835b6fbc17d84ae5f7c81bce6bfba3ec4f
SHA512

ca94b2ea6971864b399bd73111e4993d25c2675207abc9900c408ff614e63a53398c7e4c778f1043bd63baca2cb077a6fc2783f872263ce8cf3efca11ecd09da
SSDEEP

98304:P+xmA/JbNccZe2TOrilHmUuxnBXzZkHmOB:U13ccZbWPllam

Score

10^/10

fatalrat infostealer rat vmprotect

Malware Config

Signatures

FatalRat
FatalRat is a modular infostealer family written in C++ first appearing in June 2021.
infostealer rat fatalrat

Fatal Rat payload 3 IoCs

rat infostealer

resource	yara_rule
behavioral1/memory/4396-137-0x0000000010000000-0x000000001002A000-memory.dmp	fatalrat
behavioral1/memory/4396-151-0x0000000000400000-0x0000000000D3B000-memory.dmp	fatalrat
behavioral1/memory/5068-161-0x0000000000400000-0x0000000000D3B000-memory.dmp	fatalrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	211e56cfebf1079ff07d76a303bce1835b6fbc17d84ae5f7c81bce6bfba3ec4f.exe

Executes dropped EXE 1 IoCs

pid	Process
5068	211e56cfebf1079ff07d76a303bce1835b6fbc17d84ae5f7c81bce6bfba3ec4f.exe

VMProtect packed file 11 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/4396-133-0x0000000000400000-0x0000000000D3B000-memory.dmp	vmprotect
behavioral1/memory/4396-134-0x0000000000400000-0x0000000000D3B000-memory.dmp	vmprotect
behavioral1/memory/4396-135-0x0000000000400000-0x0000000000D3B000-memory.dmp	vmprotect
behavioral1/files/0x000700000002315e-146.dat	vmprotect
behavioral1/files/0x000700000002315e-149.dat	vmprotect
behavioral1/files/0x000700000002315e-150.dat	vmprotect
behavioral1/memory/4396-151-0x0000000000400000-0x0000000000D3B000-memory.dmp	vmprotect
behavioral1/memory/5068-152-0x0000000000400000-0x0000000000D3B000-memory.dmp	vmprotect
behavioral1/memory/5068-153-0x0000000000400000-0x0000000000D3B000-memory.dmp	vmprotect
behavioral1/memory/5068-154-0x0000000000400000-0x0000000000D3B000-memory.dmp	vmprotect
behavioral1/memory/5068-161-0x0000000000400000-0x0000000000D3B000-memory.dmp	vmprotect

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4396	211e56cfebf1079ff07d76a303bce1835b6fbc17d84ae5f7c81bce6bfba3ec4f.exe
Token: SeDebugPrivilege	5068	211e56cfebf1079ff07d76a303bce1835b6fbc17d84ae5f7c81bce6bfba3ec4f.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 5068	4396	211e56cfebf1079ff07d76a303bce1835b6fbc17d84ae5f7c81bce6bfba3ec4f.exe	83
PID 4396 wrote to memory of 5068	4396	211e56cfebf1079ff07d76a303bce1835b6fbc17d84ae5f7c81bce6bfba3ec4f.exe	83
PID 4396 wrote to memory of 5068	4396	211e56cfebf1079ff07d76a303bce1835b6fbc17d84ae5f7c81bce6bfba3ec4f.exe	83

C:\Users\Admin\AppData\Local\Temp\211e56cfebf1079ff07d76a303bce1835b6fbc17d84ae5f7c81bce6bfba3ec4f.exe
"C:\Users\Admin\AppData\Local\Temp\211e56cfebf1079ff07d76a303bce1835b6fbc17d84ae5f7c81bce6bfba3ec4f.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Users\Admin\AppData\Local\211e56cfebf1079ff07d76a303bce1835b6fbc17d84ae5f7c81bce6bfba3ec4f.exe
  "C:\Users\Admin\AppData\Local\211e56cfebf1079ff07d76a303bce1835b6fbc17d84ae5f7c81bce6bfba3ec4f.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:5068

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\211e56cfebf1079ff07d76a303bce1835b6fbc17d84ae5f7c81bce6bfba3ec4f.exe

Filesize
3.8MB

MD5
223a3193b04f2b5564495839f5bfb834

SHA1
b4fe59e6ec8bdf5dbf0d4a34e42cbed269f82082

SHA256
211e56cfebf1079ff07d76a303bce1835b6fbc17d84ae5f7c81bce6bfba3ec4f

SHA512
ca94b2ea6971864b399bd73111e4993d25c2675207abc9900c408ff614e63a53398c7e4c778f1043bd63baca2cb077a6fc2783f872263ce8cf3efca11ecd09da

Download Submit
C:\Users\Admin\AppData\Local\211e56cfebf1079ff07d76a303bce1835b6fbc17d84ae5f7c81bce6bfba3ec4f.exe

Filesize
3.8MB

MD5
223a3193b04f2b5564495839f5bfb834

SHA1
b4fe59e6ec8bdf5dbf0d4a34e42cbed269f82082

SHA256
211e56cfebf1079ff07d76a303bce1835b6fbc17d84ae5f7c81bce6bfba3ec4f

SHA512
ca94b2ea6971864b399bd73111e4993d25c2675207abc9900c408ff614e63a53398c7e4c778f1043bd63baca2cb077a6fc2783f872263ce8cf3efca11ecd09da

Download Submit
C:\Users\Admin\AppData\Local\211e56cfebf1079ff07d76a303bce1835b6fbc17d84ae5f7c81bce6bfba3ec4f.exe

Filesize
3.8MB

MD5
223a3193b04f2b5564495839f5bfb834

SHA1
b4fe59e6ec8bdf5dbf0d4a34e42cbed269f82082

SHA256
211e56cfebf1079ff07d76a303bce1835b6fbc17d84ae5f7c81bce6bfba3ec4f

SHA512
ca94b2ea6971864b399bd73111e4993d25c2675207abc9900c408ff614e63a53398c7e4c778f1043bd63baca2cb077a6fc2783f872263ce8cf3efca11ecd09da

Download Submit
memory/4396-133-0x0000000000400000-0x0000000000D3B000-memory.dmp

Filesize
9.2MB

Download
memory/4396-134-0x0000000000400000-0x0000000000D3B000-memory.dmp

Filesize
9.2MB

Download
memory/4396-135-0x0000000000400000-0x0000000000D3B000-memory.dmp

Filesize
9.2MB

Download
memory/4396-137-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download
memory/4396-151-0x0000000000400000-0x0000000000D3B000-memory.dmp

Filesize
9.2MB

Download
memory/5068-152-0x0000000000400000-0x0000000000D3B000-memory.dmp

Filesize
9.2MB

Download
memory/5068-153-0x0000000000400000-0x0000000000D3B000-memory.dmp

Filesize
9.2MB

Download
memory/5068-154-0x0000000000400000-0x0000000000D3B000-memory.dmp

Filesize
9.2MB

Download
memory/5068-161-0x0000000000400000-0x0000000000D3B000-memory.dmp

Filesize
9.2MB

Download

Analysis

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